ow data was used to calculate WACC

Hello, I will need this paper done for 2 people so 2 different companies.

Apple & Microsoft

I will need a 2 page report containing

1- Your calculated WACC.

How  2- How data was used to calculate WACC. This would be the formula and the formula with your values substituted.

3- Sources for your data.

4-  A discussion of how much confidence you have in your answer. What were the limiting assumptions that you made, if    any.

If calculations are done on excel, please show your calculations